Vitamin D and calcium

Type of Medication: Vitamin

Indications: Prevention or correction of low serum vitamin D levels and osteoporosis

Side Effects: Overdose associated with anorexia, nausea, lethargy, vomiting, diarrhoea, weight loss, polyuria, sweating, headaches, vertigo, thirst, hypercalcaemia, hyperphosphataemia

Route of administration: Adult (Oral)

Dose:Adcal D3 Forte (colecalciferol) contains 400 international units (10 micrograms) Vitamin D and 600 mg (15.1 mmol) Calcium. Can be dissolved in water. Start with Vitamin D. 800 iu od.

Administration: With food and enzymes if pancreatic insufficient. Many different preparations available.

Route of administration: Adult (Oral)

Dose:Calceos (colecalciferol) contains 400 international units (10 micrograms) Vitamin D and 500 mg (12.6 mmol) Calcium. Chewed or broken and swallowed.

Administration: With food and enzymes if pancreatic insufficient. Many different preparations available.

Route of administration: Adult (Oral)

Dose:Calcit D3 sachet (colecalciferol) contains 440 international units (11 micrograms) Vitamin D and 500 mg (12.6 mmol) Calcium. Mix with water.

Administration: With food and enzymes if pancreatic insufficient. Many different preparations available.

Route of administration: Adult (Oral)

Dose:Calcichew D3 (colecalciferol) contains 200 international units (5 micrograms) Vitamin D and 500 mg (12.6 mmol) Calcium. Chewed or broken and swallowed.

Administration: With food and enzymes if pancreatic insufficient. Many different preparations available.

Route of administration: Adult (Oral)

Dose:Calcichew D3 Forte (colecalciferol) contains 400 international units (10 micrograms) Vitamin D and 500 mg (12.6 mmol) Calcium. Chewed or broken and swallowed

Administration: With food and enzymes if pancreatic insufficient. Many different preparations available.

Route of administration: Adult (Oral)

Dose:Calcium and ergocaliferol contains 400 international units (10 micrograms) Vitamin D and 97 mg (2.4 mmol) Calcium. Alpharma brand contains no animal products.

Administration: With food and enzymes if pancreatic insufficient. Many different preparations available.

Route of administration: Adult (Oral)

Dose:Calfovit D3 (colecalciferol) contains 800 international units (20 micrograms)Vitamin D and 1200 mg(30 mmol) Calcium.

Administration: Mix with water. With food and enzymes if pancreatic insufficient. Many different preparations available.

Examples of some Drug Interactions

Interacting drug: Barbiturates

? increases vitamin D requirements

Interacting drug: Carbamazepine

? increases vitamin D requirements

Interacting drug: Phenobarbitone

? increases vitamin D requirements

Interacting drug: Phenytoin

? increases vitamin D requirements

Interacting drug: Thiazides

increased risk oh hypercalcaemia